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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Employees Inova Health System Foundation J Knox Singleton

J Knox Singleton

Officer

CEO, President, Ending 4/9/18 at Inova Health System Foundation

Fiscal year ended December 31, 2018. Published on January 24, 2026.

$4,662,695
2018

Total compensation

J Knox Singleton has been listed as an employee of Inova Health System Foundation in Form 990 filings since at least fiscal year 2016. Total compensation for J Knox Singleton has decreased by 25.3% from 2016 to 2018.

Annual compensation details

$4,662,695
-70.1%
CEO, President, Ending 4/9/18
2018
$4.6M related
40 hrs/wk
$46k other
--
$15,600,777
+149.9%
Chief Executive Officer
2017
$13.7M related
40 hrs/wk
$1.9M other
--

Total compensation by year

Compare the compensation of J Knox Singleton to:

2018

Other employees at Inova Health System Foundation

Mark Stauder
COO, Ending 7/30/18
$4,811,310
$0 from org$4,784,635 from related$26,675 other
Richard Magenheimer
Assistant Treasurer and Chief Financial Officer
$4,028,499
$0 from org$3,312,496 from related$716,003 other
Loring Flint
Executive Vice President Chief Medical Officer Former
$2,357,233
$0 from org$1,777,748 from related$579,485 other
J Stephen Jones
CEO, President, Beginning 4/9/18
$1,798,518
$0 from org$1,350,889 from related$447,629 other
John Niederhuber
Former CEO ITMI and Executive Vice President IHS
$1,611,083
$0 from org$1,562,299 from related$48,784 other
John Gaul
ASST Secretary/Svp General
$1,234,623
$0 from org$980,858 from related$253,765 other
James Santry
Executive Vice President CEO DTC and AMB SVCS Former
$1,065,453
$0 from org$1,024,416 from related$41,037 other
Tricia Nguyen
Senior Vice President CLIN Integrated Networ
$982,027
$931,577 from orgNo related comp$50,450 other
Peter Jobse
Vice President Managing Director
$908,595
$693,393 from orgNo related comp$215,202 other
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Revisions to this profile

January 24, 2026:
2018 Inova Health System Foundation 990 published
January 24, 2026:
2017 Inova Health System Foundation 990 published
January 24, 2026:
2016 Inova Health System Foundation 990 published

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$6,242,224
Chief Executive Officer
2016
$4.8M related
40 hrs/wk
$1.5M other
--

Other people named J Knox Singleton

2018
Employee
J Knox Singleton
Inova VNA Home Care
$4,662,695